niter vs saltpeter

niter and saltpeter both are nouns.

Word	Noun	Adjective	Verb	Adverb
niter	Yes	No	No	No
saltpeter	Yes	No	No	No

As nouns, niter and saltpeter are synonyms defined as:

niter and saltpeter: (KNO3) used especially as a fertilizer and explosive

Other synonyms of niter include nitre, potassium nitrate, saltpetre.

niter (noun)	saltpeter (noun)
(KNO3) used especially as a fertilizer and explosive	(KNO3) used especially as a fertilizer and explosive